Question

Test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, and then state the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim. Among 2064 passenger cars in a particular region, 227 had only rear license plates. Among 364 commercial trucks, 51 had only rear license plates. A reasonable hypothesis is that commercial trucks owners violate laws requiring front license plates at a higher rate than owners of passenger cars. Use a 0.01 significance level to test that hypothesis.

a. Test the claim using a hypothesis test.

b. Test the claim by constructing an appropriate confidence interval

Answer #1

Test the given claim. Identify the null hypothesis,
alternative hypothesis, test statistic, P-value, and then state
the conclusion about the null hypothesis, as well as the final
conclusion that addresses the original claim. Among
2108
passenger cars in a particular region,
236
had only rear license plates. Among
400
commercial trucks,
56
had only rear license plates. A reasonable hypothesis is that
commercial trucks owners violate laws requiring front license
plates at a higher rate than owners of passenger cars....

Test the given claim. Identify the null hypothesis, alternative
hypothesis, test statistic, P-value, and then state the conclusion
about the null hypothesis, as well as the final conclusion that
addresses the original claim. Among 2148 passenger cars in a
particular region, 231 had only rear license plates. Among 347
commercial trucks, 48 had only rear license plates. A reasonable
hypothesis is that commercial trucks owners violate laws requiring
front license plates at a higher rate than owners of passenger
cars....

Test the given claim. Identify the null hypothesis, alternative
hypothesis, test statistic, P-value, and then state the conclusion
about the null hypothesis, as well as the final conclusion that
addresses the original claim. Among 2031 passenger cars in a
particular region, 224 had only rear license plates. Among 332
commercial trucks, 50 had only rear license plates. A reasonable
hypothesis is that commercial trucks owners violate laws requiring
front license plates at a higher rate than owners of passenger
cars....

Test the given claim. Identify the null hypothesis,
alternative hypothesis, test statistic, P-value, and then state
the conclusion about the null hypothesis, as well as the final
conclusion that addresses the original claim. Among 2120 passenger
cars in a particular region, 242 had only rear license plates.
Among 386 commercial trucks, 57 had only rear license plates. A
reasonable hypothesis is that commercial trucks owners violate laws
requiring front license plates at a higher rate than owners of
passenger cars....

Test the given claim. Identify the null hypothesis, alternative
hypothesis, test statistic, P-value, and then state the conclusion
about the null hypothesis, as well as the final conclusion that
addresses the original claim. Among 2140 passenger cars in a
particular region,246 had only rear license plates. Among 315
commercial trucks,45 had only rear license plates. A reasonable
hypothesis is that commercial trucks owners violate laws requiring
front license plates at a higher rate than owners of passenger
cars. Use a...

Test the given claim. Identify the null hypothesis,
alternative hypothesis, test statistic, P-value, and then state
the conclusion about the null hypothesis, as well as the final
conclusion that addresses the original claim. Among 2084 passenger
cars in a particular region, 232 had only rear license plates.
Among 321 commercial trucks, 48 had only rear license plates. A
reasonable hypothesis is that commercial trucks owners violate laws
requiring front license plates at a higher rate than owners of
passenger cars....

Test the given claim. Identify the null hypothesis,
alternative hypothesis, test statistic, P-value, and then state
the conclusion about the null hypothesis, as well as the final
conclusion that addresses the original claim. Among 20212021
passenger cars in a particular region, 216216 had only rear
license plates. Among 382382 commercial trucks, 5555 had only rear
license plates. A reasonable hypothesis is that commercial trucks
owners violate laws requiring front license plates at a higher rate
than owners of passenger cars....

Test the given claim. Identify the null hypothesis,
alternative hypothesis, test statistic, P-value, and then state
the conclusion about the null hypothesis, as well as the final
conclusion that addresses the original claim. Among 2199 passenger
cars in a particular region, 255 had only rear license plates.
Among 354 commercial trucks, 49 had only rear license plates. A
reasonable hypothesis is that commercial trucks owners violate laws
requiring front license plates at a higher rate than owners of
passenger cars....

Test the given claim. Identify the null hypothesis,
alternative hypothesis, test statistic, P-value, and then state
the conclusion about the null hypothesis, as well as the final
conclusion that addresses the original claim. Among 20142014
passenger cars in a particular region, 226226 had only rear
license plates. Among 306306 commercial trucks, 4747 had only rear
license plates. A reasonable hypothesis is that commercial trucks
owners violate laws requiring front license plates at a higher rate
than owners of passenger cars....

Test the given claim. Identify the null hypothesis,
alternative hypothesis, test statistic, P-value, and then state
the conclusion about the null hypothesis, as well as the final
conclusion that addresses the original claim. Among
2060
passenger cars in a particular region,
237
had only rear license plates. Among
374
commercial trucks,
56
had only rear license plates. A reasonable hypothesis is that
commercial trucks owners violate laws requiring front license
plates at a higher rate than owners of passenger cars....

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